Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,472 74.72 74.72 2 | 2,155 21.55 96.27 3 | 120 1.20 97.47 4 | 14 0.14 97.61 9 | 239 2.39 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016